Keri Russell, Matthew Rhys Keri Russell, Matthew Rhys

On the back of The Americans' hair and makeup trailer door is a photo collage of the cast and crew each in the same wig. It's not Clark or John Denver or any other of Philip's (Matthew Rhys) and Elizabeth's (Keri Russell) follicular get-ups on the FX series — but Felicity's famous curls.

"Isn't it hilarious? I love it," Russell, the erstwhile Felicity, tells TVGuide.com with a laugh. "It's so great. I'm all about the hair!"

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